fox's doug luzader has the latest on the president barack obama and mitt romney debate preps. >> reporter: one new national poll is out. but it really hasn't done a whole lot to change the real clear politics, national average of polls, which shows the president nationwide about 3 1/2 points up, over mitt romney. but this all comes down to swing states, including colorado. the site of wednesday's debate. >> mitt romney is already in denver. getting in to the final campaigning and a last-minute endorsement from former broncos quarterback john elway but preparing for a much more critical stage on wednesday. >> so i look forward to these debates. i'm delighted that we will have three debates. it will be a conversation with the american people that will span almost an entire month. >> that stage at the university of denver is still being set for the first debate which will focus primarily on domestic issues. >> this is barack obama. how are you? >> president obama made some quick phone calls at a campaign office in nevada where he is going through debate rehearsals. >> basically they're keepi